Temperature measuring ring



FIG. 1 is a top and front perspective view of a temperature measuring ring showing our new design;

FIG. 2 is a top plan view;

FIG. 3 is a left side elevational view;

FIG. 4 is a bottom plan view;

FIG. 5 is a rear elevational view;

FIG. 6 is a right side elevational view; and

FIG. 7 is a left side elevational thereof, the dotted line showing of an infant feeding bottle is environmental only and forms no part of the claimed design. 

The ornamental design for a temperature measuring ring, as shown and described. 